Home / 19,903.16-27,466.26-11,405.32

Finding the Fourth Proportional to 19,903.16, 27,466.26 and 11,405.32

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Solution

The fourth proportional to 19,903.16, 27,466.26 and 11,405.32 is: 15,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.16 : 27,466.26 = 11,405.32 : x
  2. Step 2: Convert to fraction form
    19,903.16/27,466.26 = 11,405.32/x
  3. Step 3: Cross multiply
    19,903.16x = 27,466.26 × 11,405.32
  4. Step 4: Simplify right side
    19,903.16x = 313,261,484.50
  5. Step 5: Solve for x
    x = 313,261,484.50/19,903.16
  6. Step 6: Final answer
    x = 15,739.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.